11562240 has 72 divisors (see below), whose sum is σ = 36939168. Its totient is φ = 3082240.

The previous prime is 11562233. The next prime is 11562253. The reversal of 11562240 is 4226511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2335 + ... + 5345.

It is an arithmetic number, because the mean of its divisors is an integer number (513044).

Almost surely, 2^11562240 is an apocalyptic number.

11562240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11562240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18469584).

11562240 is an abundant number, since it is smaller than the sum of its proper divisors (25376928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11562240 is an equidigital number, since it uses as much as digits as its factorization.

11562240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035 (or 3021 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 11562240 is about 3400.3293958086. The cubic root of 11562240 is about 226.1243474733.

Adding to 11562240 its reverse (4226511), we get a palindrome (15788751).

The spelling of 11562240 in words is "eleven million, five hundred sixty-two thousand, two hundred forty".